/* Variables pour les couleurs et éléments de design */
:root {
    --primary-color: #4361ee;
    --primary-light: #e2eafc;
    --primary-dark: #3046eb;
    --secondary-color: #48cae4;
    --secondary-light: #e0f7fa;
    --accent-color: #ff9e00;
    --text-color: #333;
    --text-light: #666;
    --text-lighter: #999;
    --bg-color: #f8f9fa;
    --bg-card: #ffffff;
    --border-radius: 12px;
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --transition-fast: all 0.2s ease;
    --transition-normal: all 0.3s ease;
    --font-main: 'Montserrat', 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', 'Segoe UI', sans-serif;
}

/* Polices déjà importées dans le HTML */
/* @import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600&family=Poppins:wght@500;600;700&display=swap'); */

/* Reset et styles de base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    margin: 0;
    padding: 0;
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.content {
    max-width: 900px;
    margin: 30px auto;
    text-align: center;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    margin-bottom: 1rem;
    color: var(--primary-dark);
}

h1 {
    font-size: 2.5rem;
    margin-top: 2rem;
    position: relative;
    display: inline-block;
}

h1::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--accent-color);
    margin: 10px auto 0;
    border-radius: 2px;
}

h2 {
    font-size: 1.7rem;
    margin-top: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

h3 {
    font-size: 1.4rem;
}

.subtitle {
    color: var(--text-light);
    font-style: italic;
    margin-top: 0.5rem;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* Carte pour les sections principales */
.card {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    padding: 25px;
    margin: 25px 0;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

/* Structure de la page */
header {
    margin-bottom: 30px;
    text-align: center;
}

.exercise-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

@media (min-width: 992px) {
    .exercise-container {
        grid-template-columns: 1fr 1fr;
    }
}

/* Styles des cartes */
.card {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    padding: 25px 25px 15px 25px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.card-content {
    padding: 20px 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

/* Modification des classes existantes */
.attention-guide, .respiration-guide {
    margin: 0;
    padding: 0;
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.attention-guide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.respiration-guide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
}

/* Panel d'information */
.info-panel {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    margin: 30px 0;
    overflow: hidden;
    transition: var(--transition-normal);
    position: relative;
}

.info-panel:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.info-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
}

.info-panel-header {
    padding: 15px 20px;
    background-color: var(--primary-light);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.info-panel-header h3 {
    margin: 0;
    font-size: 1.3rem;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
}

.info-panel-header h3 i {
    margin-right: 10px;
    color: var(--accent-color);
}

.info-panel-content {
    padding: 20px;
}

.info-panel-content p:last-child {
    margin-bottom: 0;
}

.info-panel-content a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-normal);
    position: relative;
    padding-bottom: 2px;
}

.info-panel-content a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.3s ease;
}

.info-panel-content a:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

/* Message d'information */
.info-message {
    background-color: var(--primary-light);
    padding: 12px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    color: var(--primary-dark);
    border-left: 4px solid var(--primary-color);
    font-weight: 500;
}

.info-message i {
    margin-right: 10px;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.controls, .sound-controls {
    margin: 25px 0;
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

/* Boutons stylisés */
button {
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    background-color: var(--primary-color);
    color: white;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
    z-index: -1;
}

button:hover::before {
    transform: translateX(0);
}

button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

button:active {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

button:disabled {
    background-color: var(--text-lighter);
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
    opacity: 0.7;
}

button:disabled::before {
    display: none;
}

button i {
    margin-right: 10px;
    font-size: 1.1rem;
}

.btn-primary, #start-sounds, #start-respiration {
    background-color: var(--primary-color);
}

.btn-danger, #stop-sounds, #stop-respiration {
    background-color: #d62828; /* Rouge pour arrêter */
}

.btn-secondary, #refresh-sounds {
    background-color: var(--secondary-color);
}

/* Controls pour le cycle de respiration */
.breathing-controls {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.control-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 15px;
}

.control-group label {
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--primary-dark);
}

.form-control {
    padding: 12px 20px;
    border-radius: var(--border-radius);
    border: 2px solid var(--primary-light);
    font-size: 1rem;
    background-color: white;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg fill='%234361ee' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 40px;
    font-family: var(--font-main);
}

/* Contrôles de cycles de respiration */
.cycle-selection {
    margin: 20px 0;
}

.audio-countdown-option {
    margin: 15px 0;
    display: flex;
    justify-content: center;
}

.audio-countdown-option label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-color);
    user-select: none;
    transition: var(--transition-fast);
    padding: 5px 10px;
    border-radius: 20px;
    background-color: var(--primary-light);
}

.audio-countdown-option label:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
}

.audio-countdown-option input[type="checkbox"] {
    margin-right: 10px;
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

/* Select amélioré */
select {
    padding: 12px 20px;
    border-radius: var(--border-radius);
    border: 2px solid var(--primary-light);
    font-size: 1rem;
    background-color: white;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg fill='%234361ee' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 40px;
    font-family: var(--font-main);
}

select:hover, select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* Animation de respiration améliorée */
.respiration-display {
    margin: 40px auto;
    width: 280px;
    height: 280px;
    position: relative;
    border-radius: 50%;
    background: linear-gradient(145deg, #f0f0f0, #ffffff);
    box-shadow: 
        inset 0 8px 24px rgba(0,0,0,0.1),
        0 4px 15px rgba(0,0,0,0.05);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
    transition: all 0.5s ease;
}

.respiration-display::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: transparent;
    border: 2px dashed var(--secondary-color);
    opacity: 0.5;
    z-index: 0;
    animation: rotate 60s linear infinite;
}

.respiration-display::after {
    content: '';
    position: absolute;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: transparent;
    border: 1px solid rgba(67, 97, 238, 0.2);
    z-index: -1;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

#respiration-animation {
    width: 130px;
    height: 130px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    position: absolute;
    transform: translate(0, 0) scale(1);
    transition: all 5s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 25px rgba(67, 97, 238, 0.5);
}

.inspiration #respiration-animation {
    transform: scale(1.8);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 0 30px rgba(67, 97, 238, 0.7);
    animation: pulse-in 5s infinite alternate;
}

.expiration #respiration-animation {
    transform: scale(1);
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    box-shadow: 0 0 15px rgba(67, 97, 238, 0.4);
    animation: pulse-out 5s infinite alternate;
}

.apnee #respiration-animation {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    box-shadow: 0 0 25px rgba(72, 202, 228, 0.6);
    animation: pulse-hold 2s infinite alternate;
}

@keyframes pulse-in {
    0% { transform: scale(1.75); box-shadow: 0 0 30px rgba(67, 97, 238, 0.6); }
    100% { transform: scale(1.85); box-shadow: 0 0 35px rgba(67, 97, 238, 0.8); }
}

@keyframes pulse-out {
    0% { transform: scale(0.95); box-shadow: 0 0 15px rgba(67, 97, 238, 0.3); }
    100% { transform: scale(1.05); box-shadow: 0 0 20px rgba(67, 97, 238, 0.5); }
}

@keyframes pulse-hold {
    0% { transform: scale(1.3); }
    50% { transform: scale(1.35); }
    100% { transform: scale(1.3); }
}

.respiration-display.inspiration {
    box-shadow: 
        inset 0 10px 30px rgba(0,0,0,0.15),
        0 5px 20px rgba(67, 97, 238, 0.1);
}

.respiration-display.expiration {
    box-shadow: 
        inset 0 6px 20px rgba(0,0,0,0.1),
        0 3px 10px rgba(0,0,0,0.05);
}

.respiration-display.apnee {
    box-shadow: 
        inset 0 8px 25px rgba(0,0,0,0.12),
        0 4px 15px rgba(72, 202, 228, 0.1);
}

#phase-instruction {
    margin: 25px 0;
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--primary-dark);
    background-color: var(--primary-light);
    padding: 16px 25px;
    border-radius: var(--border-radius);
    display: inline-block;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    min-width: 250px;
    border: 1px solid rgba(67, 97, 238, 0.1);
}

#phase-instruction.inspiration {
    background-color: var(--primary-light);
    border-left: 5px solid var(--primary-color);
    animation: fade-in-out 0.5s ease;
}

#phase-instruction.expiration {
    background-color: var(--secondary-light);
    border-left: 5px solid var(--secondary-color);
    animation: fade-in-out 0.5s ease;
}

#phase-instruction.apnee {
    background-color: rgba(255, 158, 0, 0.1);
    border-left: 5px solid var(--accent-color);
    animation: fade-in-out 0.5s ease;
}

@keyframes fade-in-out {
    0% { opacity: 0.7; transform: scale(0.98); }
    50% { opacity: 1; transform: scale(1.02); }
    100% { opacity: 1; transform: scale(1); }
}

#current-phase {
    color: var(--primary-dark);
    font-weight: 700;
    transition: color 0.3s ease;
}

.inspiration #current-phase {
    color: var(--primary-color);
}

.expiration #current-phase {
    color: var(--secondary-color);
}

.apnee #current-phase {
    color: var(--accent-color);
}

.phase-duration {
    display: inline-block;
    margin-left: 8px;
    padding: 3px 8px;
    color: var(--text-color);
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 12px;
    font-size: 0.9em;
    min-width: 35px;
}

/* Boutons de son améliorés */
.sound-list {
    margin: 25px 0;
}

#sounds-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin: 25px 0;
}

.sounds-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

.focus-button {
    width: 100%;
    height: 100%;
    min-height: 180px;
    padding: 20px 15px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-normal);
    background-color: var(--primary-light);
    text-align: center;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.focus-button::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    z-index: -1;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius);
    transform: scale(0.97);
    opacity: 0;
    transition: var(--transition-normal);
}

.focus-button:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.focus-button:hover::before {
    opacity: 1;
    transform: scale(1);
}

.focus-button.active {
    background-color: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.focus-button.active::before {
    opacity: 1;
    transform: scale(1);
}

.sound-icon {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--primary-color);
    transition: var(--transition-normal);
}

.focus-button.active .sound-icon {
    color: white;
}

.focus-button:hover .sound-icon {
    transform: scale(1.2);
}

.sound-name {
    font-weight: 600;
    margin-bottom: 10px;
    transition: var(--transition-normal);
}

.focus-button.active .sound-name {
    color: white;
}

/* Contrôles de volume améliorés */
.volume-controls {
    margin: 25px auto;
    max-width: 350px;
    background-color: var(--primary-light);
    padding: 15px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.volume-controls label {
    font-weight: 500;
    color: var(--primary-dark);
    display: block;
    margin-bottom: 10px;
}

input[type="range"] {
    width: 100%;
    margin: 10px 0;
    -webkit-appearance: none;
    height: 8px;
    border-radius: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: white;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: var(--shadow-md);
}

input[type="range"]:focus {
    outline: none;
}

/* Indicateurs d'état */
.loading {
    padding: 25px;
    color: var(--primary-color);
    font-style: italic;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.loading i {
    animation: spin 1.5s linear infinite;
    margin-right: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.error {
    padding: 25px;
    color: #d62828;
    font-weight: 600;
    background-color: #ffeeee;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

.error i {
    margin-right: 10px;
}

/* Styles pour les icônes dans les titres */
h2 i {
    margin-right: 12px;
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 .fa-lungs {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Pied de page amélioré */
.footer {
    margin-top: 70px;
    padding: 40px 20px;
    background: linear-gradient(0deg, #f0f2fa, var(--bg-color));
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    text-align: center;
    font-size: 0.95rem;
    color: var(--text-light);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    opacity: 0.7;
}

.social-links {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-icon {
    font-size: 1.3rem;
    color: var(--text-light);
    transition: var(--transition-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: white;
    margin: 0 5px;
    box-shadow: var(--shadow-sm);
}

.social-icon:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-md);
}

.gitlab-icon:hover {
    color: #FC6D26;
    background-color: #fff9f6;
}

.twitter-icon:hover {
    color: #1DA1F2;
    background-color: #f5faff;
}

.email-icon:hover {
    color: #D44638;
    background-color: #fff7f6;
}

.paypal-icon:hover {
    color: #003087;
    background-color: #f5f7fa;
}

.copyright {
    margin-bottom: 10px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.donation-text {
    margin-bottom: 15px;
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.donation-text a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-normal);
    position: relative;
    padding-bottom: 2px;
}

.donation-text a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.3s ease;
}

.donation-text a:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

.legal-links {
    margin: 15px 0;
}

.legal-links a {
    color: var(--text-light);
    text-decoration: none;
    margin: 0 10px;
    transition: var(--transition-normal);
    font-weight: 500;
    position: relative;
}

.legal-links a::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.3s ease;
}

.legal-links a:hover {
    color: var(--primary-color);
}

.legal-links a:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

/* Version info */
.version-info {
    margin-top: 10px;
    font-size: 0.8rem;
    color: var(--text-lighter);
    padding: 5px 10px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 15px;
    display: inline-block;
}

.version-link {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-normal);
    font-weight: 500;
}

.version-link:hover {
    text-decoration: underline;
}

/* Recommendation casque améliorée */
.headphones-recommendation {
    position: relative;
    padding: 20px;
    margin: 30px 0;
    border-radius: var(--border-radius);
    background-color: var(--secondary-light);
    border-left: 5px solid var(--secondary-color);
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-sm);
    text-align: left;
    color: var(--primary-dark);
    transition: var(--transition-normal);
}

.headphones-recommendation:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.headphones-icon {
    flex-shrink: 0;
    font-size: 2.5rem;
    margin-right: 20px;
    color: var(--secondary-color);
}

.headphones-text {
    flex: 1;
}

.headphones-text strong {
    display: block;
    margin-bottom: 8px;
    font-size: 1.1rem;
    color: var(--primary-dark);
    font-family: var(--font-heading);
}

.headphones-text p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .attention-guide, .respiration-guide {
        padding: 20px 15px;
    }
    
    .controls, .sound-controls {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    button {
        width: 100%;
        max-width: 250px;
    }
    
    .headphones-recommendation {
        flex-direction: column;
        text-align: center;
    }
    
    .headphones-icon {
        margin-right: 0;
        margin-bottom: 15px;
    }
    
    #sounds-container {
        gap: 15px;
    }
    
    .focus-button {
        width: 160px;
    }
    
    .social-links {
        flex-wrap: wrap;
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.attention-guide, .respiration-guide {
    animation: fadeIn 0.8s ease-out forwards;
}

.attention-guide {
    animation-delay: 0.2s;
}

.respiration-guide {
    animation-delay: 0.4s;
}

h1 {
    animation: fadeIn 0.6s ease-out forwards;
}

.subtitle {
    animation: fadeIn 0.7s ease-out forwards;
}

/* Effet de survol pour les cartes */
.attention-guide:hover, .respiration-guide:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Styles du sélecteur de langue */
.language-selector-container {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

#language-selector {
    padding: 8px 30px 8px 12px;
    border-radius: 20px;
    border: 2px solid var(--primary-color);
    background-color: white;
    color: var(--primary-dark);
    font-family: var(--font-main);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg fill='%234361ee' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 5px center;
    background-size: 20px;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

#language-selector:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

#language-selector:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(255, 158, 0, 0.2);
}

/* Styles RTL */
.rtl {
    direction: rtl;
    text-align: right;
}

html[dir="rtl"] .language-selector-container {
    right: auto;
    left: 20px;
}

html[dir="rtl"] #language-selector {
    background-position: left 5px center;
    padding: 8px 12px 8px 30px;
}

html[dir="rtl"] .headphones-icon {
    margin-right: 0;
    margin-left: 20px;
}

html[dir="rtl"] button i {
    margin-right: 0;
    margin-left: 10px;
}

html[dir="rtl"] .info-message i {
    margin-right: 0;
    margin-left: 10px;
}

html[dir="rtl"] .headphones-recommendation {
    border-left: none;
    border-right: 5px solid var(--secondary-color);
    text-align: right;
}

@media (max-width: 768px) {
    .language-selector-container {
        position: relative;
        top: 0;
        right: 0;
        display: flex;
        justify-content: center;
        margin-bottom: 15px;
    }

    html[dir="rtl"] .language-selector-container {
        left: 0;
    }
}

/* Bandeau de don en biais (ribbon) */
.donation-ribbon {
    position: fixed;
    top: 45px;
    left: -75px;
    width: 260px;
    background: linear-gradient(135deg, var(--accent-color), #ffa726);
    color: white;
    text-align: center;
    padding: 10px 0;
    transform: rotate(-45deg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.donation-ribbon:hover {
    background: linear-gradient(135deg, #ffa726, var(--accent-color));
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
    transform: rotate(-45deg) scale(1.05);
}

.donation-ribbon i {
    margin-right: 8px;
    font-size: 1rem;
}

/* Style RTL pour le bandeau */
html[dir="rtl"] .donation-ribbon {
    left: auto;
    right: -75px;
    transform: rotate(45deg);
}

html[dir="rtl"] .donation-ribbon:hover {
    transform: rotate(45deg) scale(1.05);
}

html[dir="rtl"] .donation-ribbon i {
    margin-right: 0;
    margin-left: 8px;
}

/* Responsive pour le bandeau */
@media (max-width: 768px) {
    .donation-ribbon {
        top: 50px;
        left: -85px;
        width: 260px;
        padding: 8px 0;
        font-size: 0.85rem;
    }

    html[dir="rtl"] .donation-ribbon {
        right: -85px;
    }
}

@media (max-width: 480px) {
    .donation-ribbon {
        display: none;
    }
}